# Modbus Flex Write on port 502

**URL:** <https://discourse.nodered.org/t/modbus-flex-write-on-port-502/23533>\
**Category:** General\
**Created:** [23 March 2020 21:17 UTC](https://discourse.nodered.org/t/modbus-flex-write-on-port-502/23533 "2020-03-23T21:17:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![rromele](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/rromele/32/18431_2.png) [@rromele](https://discourse.nodered.org/u/rromele)\
**Post date:** [23 March 2020 21:17 UTC](https://discourse.nodered.org/t/modbus-flex-write-on-port-502/23533/1 "2020-03-23T21:17:31Z")

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Hi,  
I need to use the Modbus Flex Write node on port 502,  
with this setting, node-red crashes.

Can anyone tell me if this is possible?  
Thank you

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [22 May 2020 21:17 UTC](https://discourse.nodered.org/t/modbus-flex-write-on-port-502/23533/2 "2020-05-22T21:17:37Z")

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